2142140432 has 80 divisors (see below), whose sum is σ = 4385290752. Its totient is φ = 1012677120.

The previous prime is 2142140423. The next prime is 2142140513. The reversal of 2142140432 is 2340412412.

It is a junction number, because it is equal to n+sod(n) for n = 2142140398 and 2142140407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2829398 + ... + 2830154.

Almost surely, 2^2142140432 is an apocalyptic number.

It is an amenable number.

2142140432 is an abundant number, since it is smaller than the sum of its proper divisors (2243150320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2142140432 is a wasteful number, since it uses less digits than its factorization.

2142140432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936 (or 930 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 2142140432 is about 46283.2629791807. The cubic root of 2142140432 is about 1289.0882390072.

Adding to 2142140432 its reverse (2340412412), we get a palindrome (4482552844).

The spelling of 2142140432 in words is "two billion, one hundred forty-two million, one hundred forty thousand, four hundred thirty-two".